P0884
Traction Control Module (TCM) Power Input Signal Intermittent
Generic code
Transmission System
High severity
Hard repair
Free on OBD DashX
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What P0884 means
- The fault code P0884 indicates that there is an issue with the power input signal for the Transmission Control Module (TCM). This signal is intermittent, meaning that the TCM is not receiving a consistent power source. This can cause issues with the transmission, leading to poor performance or failure to shift properly.
Possible symptoms
- Transmission may shift poorly or not at all
- Vehicle may not start
- Check engine light may be illuminated
- Transmission may be stuck in limp mode
- Other transmission
- related fault codes may be present.
Possible causes
- Loose or damaged electrical connections in the TCM power input circuit
- Faulty battery or alternator
- Failed TCM power relay
- Failed TCM ground connection
- Failed TCM itself
Related parts
- Traction Control Module (TCM): Most modern vehicles are equipped with anti-lock brakes and traction control. Traction Control Module (TCM) is the part of the car computer that controls the electronic stability system (ESC) of the car. Problem leads to inefficient braking, ABS not working
Possible solutions
- Inspect and repair any loose or damaged electrical connections in the TCM power input circuit
- Check and replace the battery or alternator if necessary
- Replace the TCM power relay if it has failed
- Inspect and repair any issues with the TCM ground connection
- Replace the TCM if it has failed
Free on OBD DashX
P0884 on OBD DashX
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